Answer: Aux Ht or Auxiliary heat is the backup heat that turns on to help the compressor for first stage maintain your temperature setting. ... When the thermostat is in this position the compressor does not run, only the Emergency heat runs
Explanation:
What does auxiliary heat mean on a Honeywell thermostat.
Answer:What does aux heat mean on a Honeywell system? Short for auxiliary heat, this system is designed to heat your home up quickly instead of waiting for the cold heat pump on the exterior of your home. Unfortunately, using the auxiliary heat is significantly more expensive than using your heat pump.
Explanation:Aux on the thermostat stands for auxiliary heat. Auxiliary heat is the electric heat strip in your air handler that is supplemental heat. Emergency heat is the same thing as auxiliary heat. Auxiliary heat/ Emergency heat help the heat pump keep up when cold outside or the temperature differential on the thermostat is large.
Relate the high population density of cities to the efficiency with which resources can be
distributed within the city.
Answer:
Uwu
Explanation:
Using the data provided in the graph and the table, interpolate to find the potential energy (U) at a height (H) of 2.5 meters and extrapolate to find the potential energy at a height of 4.5 meters.
At 2.5 meters, the potential energy would be 45 joules, and at 4.5 meters, it would be 85 joules.
At 2.5 meters, the potential energy would be 50 joules, and at 4.5 meters, it would be 90 joules.
At 2.5 meters, the potential energy would be 55 joules, and at 4.5 meters, it would be 95 joules.
At 2.5 meters, the potential energy would be 70 joules, and at 4.5 meters, it would be 100 joules.
2. True or False Every sample of a pure substance has exactly the same composition
and the same properties.
3. What are the two categories of pure substances?
a.
b.
شب نه ه ن
Name:
Answer:
the correct answer is False
Explanation:
i hope its right
A door is part way open (at 20° to its frame). Calculate the turning effect of a force of 10 N applied to open the door. The force is applied perpendicular to the frame. The width of the door is 0.5m. Please show the calculation , thank you :)
Answer:
2.35 Nm.............. .
Which variable is described as a factor you can change to observe whether or not it has an effect on the outcome variable?
Control
Hypothesis
Test
Question
Answer: The dependent variable. Dependent variables (DV): These are the factor that you observe or measure.
Explanation:
These are the factors or conditions that you manipulate in an experiment. Your hypothesis is that this variable causes a direct effect on the dependent variable. Dependent variables (DV): These are the factor that you observe or measure.
Answer:
I believe the answer succumbs to the hypothesis. More over, I actually believe the answer should be the independent variable since that makes so much more sense.
Explanation:
explain about anomalous expansion of water
Answer:
When the temperature drops from 0°C to 4°C, water expands instead of contracting, resulting in a reduction in density. In solid form, water molecules normally form open crystal structures, so as they freeze, their density decreases.
When liquids cool, they constrict and become denser. This is not the case with water. Upon cooling to 4°C, it contracts, but upon reaching 0°C, it begins to expand and becomes ice. Thus, it becomes denser as it cools.
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Sam is walking down the street. He walks 10 meters in 120 seconds. Assuming he does not speed up or
slow down, what is his speed in meters per second?
Explanation:
v(speed)=10/120=0.08m/s
Answer:
0.08
Explanation:
10/120 = 0.08
I hope this helps!
Online.Vs. In person
Which one would you choose
Answer:
Online.Vs. In person for what exams board ones?
The 500 pages of a book have mass of 250kg. What is the mass of each page in kg
Answer:
.5 kg per page
Explanation:
250/500= .5 kg
1-Atoms with few valence electrons
tend to lose them and then the next
energy will be the outer level and it is
full. This is more stable for the atom.
Remember that atoms are neutral,
which means that they have the
same number of positive protons and
negative electrons. If an electron is
lost, the atom will no longer be
neutral. What will happen to the
valence electron of Na and what will
it form? What will the resulting
charge be?
Answer:
An atom that loses one or more valence electrons to become a positively charged ion is known as a cation, while an atom that gains electrons and becomes negatively charged is known as an anion.
Explanation:
Atoms that lose electrons acquire a positive charge as a result because they are left with fewer negatively charged electrons to balance the positive charges of the protons in the nucleus.
At first, wave A and wave B are identical. Then, wave A passes through a wooden table and wave B passes through a swimming pool. Which of the following is true about the waves AFTER they encountered different media?
Wave A and B have the same speed.
Wave B has a faster speed than wave A.
Wave A has a faster speed than wave B.
There is not enough information to tell.
Answer:
Hey there
A) wave A and B have the same speed.
When they return to the air they will have the same speed. Yes they did have different speeds in water and wood but now they are back in air ("AFTER they encountered different media").
a body starts from rest with a uniform acceleration of 2m s-2 find the distance covered by the body in 2s
The distances traveled by the boy will be 4 m. Newton's second equation of motion is applied.
What is the distance?Distance is a numerical representation of the distance between two objects or locations.
The distance can refer to a physical length or an estimate based on other factors in physics or common use. |AB| is a symbol for the distance between two points A and B.
Given data;
acceleration(a)=2m/s²
Time (t)=2 s
u(Initial velocity)=0
The distance traveled by the boy will be;
[tex]\rm S=ut+\frac{1}{2} at^2 \\\\ \rm S=0+\frac{1}{2} (2)(2)^2 \\\\ S=4 \ m[/tex]
Hence, the distance traveled by the boy will be 4 m.
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A battery-powered lawn mower has a mass of 52.0 kg. If the net external force on the lawn
mower, including both your push and any resistance, is 44.5 N (about 10 pounds), then what
will be the magnitude of the mower's acceleration?
Hi there!
We can use the equation:
∑F = ma, where:
∑F = net force (N)
m = mass (kg)
a = acceleration (m/s²)
Rearrange in terms of acceleration:
∑F/m = a
Plug in the given values:
44.5/52 = 0.856 m/s²
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Which type of force will an object move towards?
1: weakest
2: net
3: balanced
4: strongest
Answer:
Strongest
Explanation:
100% correct
14. What is the mass of a 250 N bag of groceries?
Answer:
mass = 25.5kg
Explanation:
The gravitational force equivalent, or, more commonly, g-force, is a measurement of the type of force per unit mass – typically acceleration – that causes a perception of weight, with a g-force of 1 g equal to the value of gravitational acceleration on Earth, g, of about 9.8 m/s².
Mass, m = [tex]\frac{Force}{acceleration due to gravity}[/tex]
[tex]mass,m=\frac{F}{g} = \frac{250}{9.8}= 25.5 kg[/tex]
An object has an acceleration of 12.0 m/s/s. If the net force
acting upon this object were tripled, then its new acceleration
would be m/s/s.
Answer:
F=ma
Explanation: Let X stand for the new acceleration with the tripled force.
F = m*(12.0 m/s/s)
3F = m*(X)
3F = 3*m*(12.0 m/s/s)
3F = m*(X)
3F = m*(3*12.0 m/s/s)
X = (3*12.0 m/s/s)
a for 3X the force is = (3*12.0 m/s/s), or 36.0 m/s/s
Sue and Jenny kick a soccer ball at exactly
the same time. Sue’s foot exerts a force of
52.7 N to the north. Jenny’s foot exerts a
force of 91 N to the east.
a) What is the magnitude of the resultant
force on the ball?
Answer in units of N. b) What is the direction of the resultant force
(measured from East)?
Answer in units of ◦
.
a)
Answer:
Using Pythagorean Theorem.
[tex]F_{R} = \sqrt{Fn^{2} + Fe^{2} } \\\\ F_{R} = \sqrt{52.7^{2} + 91^{2} }\\\\ F_{R} = 105.16N[/tex]
b)
Answer:
[tex]tan^{-1} \frac{opp}{adj} \\ \\ tan^{-1} \frac{52.7}{91} \\ \\ = 30.08^{o}[/tex]
The resultant force of the two forces which are acting perpendicular to each other is 105.15 N and the direction is 59.91 ° from east.
What is force?Force is an external agent acting on a body to change it from the state of motion or rest. If two forces acting on a body and both are applied in the same direction, the resultant force will be the sum of two forces in magnitude.
If the two forces are in opposite directions, then the resultant force will be the substracted value of their magnitude. If one force is to the north and other is to the east, then they are perpendicular to each other.
Hence, to find the resultant force we can use the Pythagoras theorem for right angled triangle. The hypotenuse will be the resultant force.
Resultant force = √ (52.7² + 91² )
= 105. 15 N.
The direction of the force = Tan ⁻¹ (91 / 52.7 )
= 59.91 ° from east to north.
Hence, the resultant force is 105.15 N with a direction of 59.91 ° from east.
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Two objects are thrown vertically upwards at the same time at speeds of 50 m/s and 80 m/s, as shown in the figure. What should the height, h, be so that both objects land at the same time?
The kinematics allows finding the result for the height of the cliff so that the bodies go down together is: 1,533 m
Kinematics studies the movement of bodies, finding relationships between the position, velocity and acceleration of bodies
In this case the bodies are thrown vertically so their acceleration is the gravity acceleration, directed downwards.
Let's set a reference system with the positive upward direction and zero at the base of the cliff, let's use the subscript 1 for the body that comes out from the bottom of the cliff and the subscript 2 for the body that comes out of the top, the equations for each body they are:
body 1
[tex]v_1^2 = V_{o1}^2 - 2g (y_1-y_{o1} )[/tex]
body 2
[tex]v_2^2 = v_{o2}^2 - 2g (y_2-y_{o2})[/tex]
In this case they indicate the initial velocities of each body, [tex]v_{o1}[/tex] = 80 m/s and [tex]v_{o2}[/tex] = 50 m/s, the initial height [tex]y_{o1}[/tex] = 0 and [tex]y_{o2}[/tex] = h, when the bodies fall at the same time they must begin to descend from the same height
y₁ = y₂
The velocities at this point must be zero
v₁ = v₂ = 0
We substitute
0 = [tex]v_{o1}^2 - 2 g y[/tex]
0 = [tex]v_{o2}^2 - 2 g ( y + h)[/tex]
Let's solve the system of equations
[tex]h = \frac{v_{o1} - v_{o2}}{2g}[/tex]
Let's calculate
h = [tex]\frac{80-50}{2 \ 9.8}[/tex]
h = 1.53 m
Consequently, the kinematics allows finding the result for the height of the cliff so that the bodies go down together is: 1.53 m
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Study the given figures and calculate their volume.
Explanation:
to do that
so number 1=64
2=15
5 cm ______ 500 mm.
a) Is greater than
b) Is less than
c) Is equal to
d) Measures a different quantity than
Answer:b
Explanation: each cm is 10mm so 5cm is 50mm that is less than 500mm
The distance from the Moon to Earth is 3.9 x 10^8 meters. What is the time required for a light ray to travel from the Moon to Earth?
Given what we know about the speed of light, we can confirm that a single ray of light would take 1.3 seconds to travel from the Moon to the Earth.
What is the Speed of Light?The speed of light, as the name suggests, is the speed at which light travels. It has a value of over 299 million meters per second.It is considered the fastest that it is possible to travel, nothing is known to travel faster than light.Therefore, since the Moon sits at a distance of 390 million meters from the Earth, and the fact that light travels at approximately 300 million meters per second, we can confirm that light from the moon takes roughly 1.3 seconds to reach Earth.
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Students take measurements of the force F0 , directed to the left, needed to hold the cart in place as well as the tension FT in the horizontal section of string. The students take three measurements for each force. Write down the sets of measurements that would provide the most precise determination of the correct relationship between the net force and the vector sum of the individual forces exerted on the cart?
The characteristics of the random error allow to find the result for the best value of the forces is:
Using the average values gives the best results.
In a measurement in physics some type of instrument is used, therefore all measurements have a precision due to the minimum amount that can be measured with the given instrument, the correct way to give the measurement is
m = m ± Δm
Where m is the measure and Δm the error due to the appreciation of the instrument.
In the measurement process there are variables type that can affect the results, in general they can be divided into two groups:
Systematic errors. They are problems that can be reduced or solved, in general they move the result to a specific side, for example: calibration problems, problems with the measurement method, etc. Random errors. They are variables that change during the measurement that cannot be foreseen or controlled, for example: temperature, humidity, deformation of bodies, etc.
Statistical methods can be applied to the random type of processes to reduce their effect on the final result, one of the most efficient way is to carry out the measurement several times and since the errors are random, if we obtain the average it must be closer to the true value.
[tex]m_{average} = \frac{\sum m_i}{n}[/tex]
Where m_i is each measurement and n is the number of measurements.
As a result it is
[tex]m = m_{average} \pm \sigma[/tex]
Where σ is the standard deviation.
It indicates that three measurements were made of each force, suppose that their values are: F₀₁, F₀₂ and F₀₃, and the best value is
[tex]F_{o \ average} = \frac{1}{3} (F_{o1} + F_{o2} + F_{o3} )[/tex]
For the tension of the body also takes three measurements.
[tex]F_{t \ averag} = \frac{1}{3} (F_{t1} + F_{t2} + F_{t3} )[/tex]
The best value of the net forces should be obtained using the average values.
[tex]\Delta F = F_{t \ average} - F_{o \ average}[/tex]
In conclusion using the characteristics of the random error we can find the result for the best value of the forces is:
Using the average values gives the best results.
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when are the three equations of motion applicable 50 points please help
Answer:
In case of uniformly accelerated motion along a straight path
Explanation:
[tex]\sf{}[/tex]
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A block of mass 1kg is placed on an inclined plane at an angle of 30° to the horizontal. Calculate the frictional force, normal reaction, the coefficient of the static friction
Question:
A block of mass 1kg is placed on an inclined plane at an angle of 30° to the horizontal. Calculate the frictional force, normal reaction, the coefficient of the static friction
Answer:
Break the mg force into components in the plane of the inclined plank. Now force acting parallel is mgsin37°. Perpendicular force is mgcos37° which is equal to normal force.
Now calculate max value of friction force which is 0.8*mg cos37°. Since its greater than pulling force mgsin37°, the body will be at rest and acceleration is zero.
Force applied by surface is vector sum of normal force and friction force acting.
12. A 10 mH inductor and a 100 a resistor are connected in parallel. The circuit is supplied with 24 VAC
2,000 Hz. What's the impedance (rounded) of the circuit?
A. 57.382
B. 108.7122
C. 78.23 22
D. 98.16 22
The impedance of the given AC circuit containing resistor and inductor parallel to each other is 55.71 ohms.
The given parameters;
inductance of the inductor, L = 10 mHresistance of the resistor, R = 100 ohmsThe inductive reactance is calculated as follows;
[tex]\omega _l = 2\pi fl\\\\\omega _l = 2\times 3.142 \times 2,000\times 10\times 10^{-3} = 125.68 \ ohms[/tex]
The impedance is the total opposition to the flow of current in the AC circuit and it is calculated as follows;
[tex]Z _{total} = \frac{1}{\frac{1}{Z_l} + \frac{1}{Z_R} } \\\\Z _{total} = \frac{1}{\frac{1}{125.68} + \frac{1}{100} }\\\\Z _{total} = 55.71 \ ohms[/tex]
Thus, the impedance of the given circuit is 55.71 ohms.
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Su una strada rettilinea ci sono due semafori che distano 98 m e che diventano verdi contemporaneamente. Dal primo semaforo parte un’auto che sì muove alla velocità costante di 43 km/h; dall’altro semaforo parte, nel verso opposto, un camper che viaggia alla velocità costante di 36 km/h.
Determina quanto tempo dopo l'accensione del verde i due automezzi sì affiancano e quanta strada ha percorso l'automobile in quel momento.
Answer:
Le due rette rappresentano le leggi del moto di due punti
materiali (per esempio due macchine) che si muovono di moto
rettilineo uniforme. La retta meno pendente (velocità più bassa)
è riferita alla macchina che parte da una posizione iniziale più
avanti rispetto alla seconda macchina. Però, la seconda
macchina, avendo una velocità maggiore della prima (retta più
pendente), nonostante parta più indietro rispetto alla prima, dopo
un certo tempo la raggiungerà. Pertanto, il punto P, intersezione
delle due rette, rappresenta la situazione fisica in cui la seconda
macchina raggiunge la prima. In particolare, le coordinate del
punto P (tempo e spazio), rappresentano l’istante e la posizione
in cui la seconda macchina raggiunge la prima.
A tight knot can be easily opens by using a longer spanner. Give reasons
It is because the effort distance is greater than the load distance
Explanation:
As we know, Effort×effort distance = load × load distance
So when effort distance is increases,
The effort decreases
So when the spanner’s handle is long
A tight knot can easily be opened by less effrot
I hope it helped
Common sports injury : ankle sprain , bone fracture , muscle strain , neck low back pain , shoulder pain. First aid needed
Answer:
m
Explanation:
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Alicia’s coach thinks that she should try some interval training so that she can get some anaerobic activity. Which of these would be BEST for Alicia to add to her routine?
A.
biking with occasional sprints
B.
meditation several times a day
C.
taking stairs instead of escalators
D.
running at a steady pace for miles
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The best exercise for Alicia to add to her routine will be biking with occasional sprints. Thus, the correct option is A.
What are Anaerobic activities?Anaerobic exercise is a type of exercise which involves breaking down of the glucose sugar in the body without using the oxygen gas. Anaerobic means without oxygen, the exercises which does not require oxygen. In practical terms, it means that anaerobic exercise is more intense exercise, however shorter in duration than that of aerobic exercise.
Alicia’s coach thinks that she should try some interval training so that she can get some anaerobic activity. The activity which should be added to her routine is biking with occasional sprints.
Therefore, the correct option is A.
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Physical science includes
chemistry.
life science.
physics.
two of the above.